fix: update data attrb

Author: mariajgrimaldi

openedx_events/learning/data.py

@@ -2,8 +2,6 @@
 Data attributes for events within the architecture subdomain `learning`. These
 attributes follow the form of attr objects specified in OEP-49 data pattern.
 """
-
-from datetime import datetime
 from typing import Dict
 
 import attr
@@ -41,37 +39,40 @@ class RegistrationData:
 
 
 @attr.s(frozen=True)
-class CourseData:
+class CourseOverviewData:
     """
-    Attributes defined for Open edX course object.
+    Attributes defined for Open edX Course Overview object.
     """
     course_key = attr.ib(type=CourseKey)
-    display_name = attr.ib(type=CourseKey, factory='')
+    display_name = attr.ib(type=CourseKey, factory=str)
 
 
 @attr.s(frozen=True)
-class EnrollmentData:
+class CourseEnrollmentData:
     """
     Attributes defined for Open edX Course Enrollment object.
     """
     user = attr.ib(type=StudentData)
-    course = attr.ib(type=CourseData)
+    course = attr.ib(type=CourseOverviewData)
     mode = attr.ib(type=str)
+    is_active = attr.ib(type=bool)
 
 
 @attr.s(frozen=True)
-class CertificateData(EnrollmentData):
+class CertificateData(CourseEnrollmentData):
     """
-    Attributes defined for Open edX Course Enrollment object.
+    Attributes defined for Open edX Certificate data object.
     """
+    grade = attr.ib(type=str)
     status = attr.ib(type=str)
-    available_date = attr.ib(type=datetime)
+    download_url = attr.ib(type=str)
+    name = attr.ib(type=str)
 
 
 @attr.s(frozen=True)
 class CohortData:
     """
-    Attributes defined for Open edX Course Enrollment object.
+    Attributes defined for Open edX Cohort Membership object.
     """
     user = attr.ib(type=StudentData)
-    course = attr.ib(type=CourseData)
+    course = attr.ib(type=CourseOverviewData)